Verifies Number is a negative/positive number. Number may be a decimal, but if it is, it requires at least one number before and after the decimal place. Decimal numbers may also be negative or positive. Only 1 decimal place is allowed.

The secret of the Twitterverse.

matches full if condition statment eg: if(condition){ ... } else if(condition){ ... }else{...

This may be useful or not to test whether a given string is a valid (more or less) html color value. It matches color values such as: #123 - short hex color value #123456 - hex color value rgb(255,255,0) - rgb color value rgba(255,255,0,1.0) - rgba color value hsl(360,100%,100%) - hsl color value...

main symbols and comments are supported

Allows inserting expiry date as MM/YYYY or MM-YYYY format

Simple name matching Matches english names only, you may add international characters to list of characters.

RegEx email /^((?!\.)[\w-_.]*)(@\w+)(\.\w+(\.\w+)?)$/gim; Just playing with Reg Ex. This to validate emails in following ways ...

Replace non-ending string \n by the HTML tag

Extract resource location, name and query parameters from a URL (JavaScript version)

YourLink - not found AnotherLink - found

This regex validates varying types of telephone numbers.